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Superfine Spherical Tungsten Carbide Powder 347

Superfine spherical tungsten carbide powder has spherical appearance, good fluidity, good abrasion resistance, high hardness, etc. It can be used as a high-tech material for thermal spraying, and is generally prepared by ultra-high temperature melting gas atomization. Characteristic Compared with ordinary multi-angle tungsten carbide powder, superfine spherical tungsten carbide powder has two remarkable features: First, the appearance of spherical tungsten powder, powder mobility, surface quality after coating the workpiece is high; Second, it has the fine internal grain of the…

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Spraying Tungsten Powder 287

Spraying tungsten powder has the advantages of uniform powder particle size, good fluidity, corrosion resistance, etc. It is commonly used in thermal spraying coating and wear-resisting high-temperature component coating materials and diamond nesting materials. Products sprayed tungsten powder requires has the characteristic that high surface hardness, good toughness, wear resistance, and corrosion resistance. Best physical performance requirements: Uniform powder particle size, screening +60mesh ≤2%, -325mesh≤10%; Good fluidity, hall flow rate ≤12s/50g; Corrosion resistance, oxygen content≤0.05% (mass fraction), tungsten content of…

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Super Fine Tungsten Carbide Powder 395

Super fine tungsten carbide powder refers to tungsten carbide powder with a particle size of less than 0.4μm. It has good uniformity, and has the advantages of the most balanced hardness, strength, and toughness. It can be used directly as a drilling tool and durable wear-resistant part. Characteristic Super fine tungsten carbide powder has good uniformity, easy control of grain growth, low sintering temperature, low production costs, and the most balanced hardness, strength, toughness and other advantages. Application Super fine…

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Super Coarse Tungsten Carbide Powder 370

Super coarse tungsten carbide powder is tungsten carbide powder with particularly coarse grain size, sieve size ≥40 mesh and iron content about 0.2%. It is the raw material for producing hard surface materials and tungsten carbide. It can be prepared by the aluminothermic reduction carbide method. Application Super coarse tungsten carbide powder has a very coarse grain and is an excellent raw material for hard surface materials. However, it is used for the manufacture of hard alloys, and special processing…

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Coarse Tungsten Carbide Powder 416

Coarse tungsten carbide powder has a relatively coarse particle size and is a raw material for preparing a heterogeneous tungsten-cobalt tungsten carbide. The tungsten carbide has the advantages of high strength, high hardness, and excellent impact toughness. Application The coarse tungsten carbide powder is ball-milled for a short period and then subjected to gas classification. The tungsten carbide powder of each grain size is obtained, and then wet milled according to the coarse and fine particles and the cobalt powder.…

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Ultrafine Tungsten Trioxide 307

Ultrafine tungsten trioxide has special physical and chemical properties such as catalysis, photochromism, electrochromism, gas sensing and pressure sensing. So, it is widely applied in the fields of photocatalysis, solar absorption, sensor, military invisibility and fuel cell. And therefore, “How to Prepare Ultrafine Tungsten Oxide Powder More Environmentally Friendly and More Efficiently” has become a hot topic. Preparation of ultrafine tungsten trioxide is mainly to control the crystallization process. That is means to control the main two steps: 1. Microscopic…

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Super Grade Tungsten Trioxide 233

Super grade tungsten trioxide is a grade of tungsten trioxide with the minimum purity of 99.98%. Its grade is WO3-0. The other two grades of tungsten trioxide are grade 1 and grade 2. Their grades are WO3-1 and WO3-2 respectively. Certainly, due to the difference in raw material, processing technology, processing equipment, etc., manufacturers will also produce a variety of different specifications of tungsten trioxide in the actual production process. The maximum percentage (%) of the impurity of the super…

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Industrial Grade Tungsten Trioxide 306

Industrial grade tungsten trioxide refers to a type of yellow powder with an average particle size of less than 100 nm, a specific surface area of more than 9m^2/g and a purity of more than 99.95%. It is produced by using Chinese standard. It adopts ammonium paratungstate (APT) as raw material. It is widely applied in the production of petroleum catalysts, special paints, metal ceramics and ultrafine tungsten powder. Its CAS number is 1314-35-8. Preparation Adopting ammonium metatungstate (AMT) as…

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Ultrafine Tungsten Oxide 309

Ultrafine tungsten oxide is a kind of high purity powder with small particle size and uniform distribution. Its specific surface area is large; Surface activity is high; Bulk density is low. It contains ultrafine yellow tungsten oxide (WO3), ultrafine blue tungsten oxide (WO2.90), ultrafine violet tungsten oxide (WO2.72) and ultrafine tungsten dioxide (WO2). Applications 1. As an intermediate product, it is applied to produce tungsten powder and tungsten carbide powder (WC powder), thereby producing tungsten products or tungsten carbide products.…

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Optical Grade Tungsten Trioxide 262

Optical grade tungsten trioxide is a type of light yellow powder of optical grade (10-^8 orders of magnitude). Its purity can reach 99.99%. The tungsten trioxide becomes dark orange if it is heated and restores its original color if it is cooled. The tungsten trioxide thin film with uniform surface is prepared by sol-gel method and direct current reactive magnetron sputtering method. The light transmittance and the structure of the film are measured by double beam UV-visible light spectrophotometer and…

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